137199 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2926061927 ± 3.63e-09
Semi-major axis (a)	1.4573678721 AU ± 2.80e-10
Inclination (i)	16.56957845° ± 6.22e-07
Long. of Asc. Node (Ω)	104.87771298° ± 1.73e-06
Arg. of Perihelion (ω)	76.49995727° ± 2.19e-06
Mean Anomaly (M)	75.83993705° ± 9.92e-07
Mean Motion (n)	0.5602198454°/day ± 1.61e-10
Perihelion dist (q)	1.03093301 AU ± 5.29e-09
Aphelion dist (Q)	1.88380274 AU ± 5.30e-09
Orbital Period	1.75935624 yr ± 5.06e-10

Physical Parameters

H (abs. magnitude)	16.97
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.196″
Uncertainty	0
Orbit Type	Amor
MOID	0.190752 AU
Observations Used	3481
Radar Obs Used	1
Gaia Obs Used	105
Oppositions	16
Arc Total	1978-2015
First Observation Used	1978-08-10
Last Observation Used	2025-02-03

Observations (4268)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-05-19 19:39:49	C	15 17 39.29	+51 23 35.4	–	V	C40
2020-05-19 19:40:43	C	15 17 39.27	+51 23 32.8	–	V	C40
2020-05-19 19:41:38	C	15 17 39.27	+51 23 30.1	–	V	C40
2020-05-19 19:42:31	C	15 17 39.24	+51 23 27.8	–	V	C40
2020-05-19 19:48:51	C	15 17 39.16	+51 23 09.5	–	V	C40
2020-05-19 19:49:46	C	15 17 39.15	+51 23 06.9	–	V	C40
2020-05-19 19:50:39	C	15 17 39.13	+51 23 04.3	–	V	C40
2020-05-19 19:51:34	C	15 17 39.11	+51 23 01.8	–	V	C40
2020-05-19 19:52:28	C	15 17 39.11	+51 22 59.2	–	V	C40
2020-05-19 19:53:23	C	15 17 39.10	+51 22 56.6	–	V	C40
2020-05-19 19:54:16	C	15 17 39.08	+51 22 54.0	–	V	C40
2020-05-19 19:58:47	C	15 17 39.03	+51 22 40.9	–	V	C40
2020-05-19 20:01:31	C	15 17 38.98	+51 22 33.1	–	V	C40
2020-05-19 20:08:57	C	15 17 38.90	+51 22 11.8	–	V	C40
2020-05-19 20:09:50	C	15 17 38.88	+51 22 09.2	–	V	C40
2020-05-19 20:10:45	C	15 17 38.85	+51 22 06.7	–	V	C40
2020-05-19 20:11:40	C	15 17 38.84	+51 22 04.1	–	V	C40
2020-05-19 20:14:22	C	15 17 38.79	+51 21 56.1	–	V	C40
2020-05-19 20:16:10	C	15 17 38.78	+51 21 50.9	–	V	C40
2020-05-19 20:17:59	C	15 17 38.74	+51 21 45.6	–	V	C40
2020-05-19 20:18:54	C	15 17 38.74	+51 21 43.1	–	V	C40
2020-05-19 20:27:02	C	15 17 38.62	+51 21 19.6	–	V	C40
2020-05-19 20:29:44	C	15 17 38.59	+51 21 11.8	–	V	C40
2020-05-19 20:35:14	C	15 17 38.51	+51 20 56.0	–	V	C40
2020-05-19 20:38:51	C	15 17 38.46	+51 20 45.4	–	V	C40
2020-05-19 20:39:46	C	15 17 38.45	+51 20 42.6	–	V	C40
2020-05-19 20:40:41	C	15 17 38.44	+51 20 40.1	–	V	C40
2020-05-19 20:42:29	C	15 17 38.41	+51 20 34.9	–	V	C40
2020-05-19 20:43:23	C	15 17 38.38	+51 20 32.4	–	V	C40
2020-05-19 20:44:18	C	15 17 38.38	+51 20 29.8	–	V	C40
2020-05-20 06:58:23	C	15 17 35.20	+50 50 49.8	–	q	H45
2020-05-20 06:59:41	C	15 17 35.20	+50 50 45.7	–	q	H45
2020-05-20 07:00:52	C	15 17 35.16	+50 50 42.2	–	q	H45
2020-05-20 07:02:11	C	15 17 35.15	+50 50 38.3	–	q	H45
2020-05-20 07:03:16	C	15 17 35.13	+50 50 35.2	–	q	H45
2020-05-20 07:04:33	C	15 17 35.11	+50 50 31.3	–	q	H45
2020-05-20 19:11:58	C	15 17 34.72	+50 14 55.7	–	V	C40
2020-05-20 19:15:35	C	15 17 34.70	+50 14 45.1	–	V	C40
2020-05-20 19:16:28	C	15 17 34.68	+50 14 42.5	–	V	C40
2020-05-20 19:20:59	C	15 17 34.62	+50 14 29.3	–	V	C40
2020-05-20 19:21:54	C	15 17 34.61	+50 14 26.8	–	V	C40
2020-05-20 19:24:36	C	15 17 34.58	+50 14 18.9	–	V	C40
2020-05-20 19:29:08	C	15 17 34.51	+50 14 05.8	–	V	C40
2020-05-20 19:30:01	C	15 17 34.51	+50 14 03.1	–	V	C40
2020-05-20 19:40:59	C	15 17 34.36	+50 13 31.3	–	V	C40
2020-05-20 19:41:52	C	15 17 34.37	+50 13 28.6	–	V	C40
2020-05-20 19:45:29	C	15 17 34.32	+50 13 18.0	–	V	C40
2020-05-20 19:50:00	C	15 17 34.25	+50 13 04.8	–	V	C40
2020-05-20 19:56:21	C	15 17 34.17	+50 12 46.1	–	V	C40
2020-05-20 20:06:49	C	15 17 34.03	+50 12 15.4	–	V	C40

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137199 (1999 KX4)